Can traditional water-harvesting systems teach us how to solve contemporary water problems? Michael Kenneth Cowan says we have a lot to learn from the ancient and troubled ecology of the Middle Eastmore...

Half way between Cusco and the lost city of Machu Picchu lies the ancient artery of Inca trade and production - the salt terraces. For over 1,000 years little has changed for the salt farmers of Maras. Now, thanks to a clumsy, unnecessary and potentially dangerous attempt at mass medication, this traditional livelihood is at risk. By James Frankham.more...